30019049 has 2 divisors, whose sum is σ = 30019050. Its totient is φ = 30019048.

The previous prime is 30019039. The next prime is 30019051. The reversal of 30019049 is 94091003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25938649 + 4080400 = 5093^2 + 2020^2 .

It is an emirp because it is prime and its reverse (94091003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30019049 - 2¹² = 30014953 is a prime.

It is a super-2 number, since 2×30019049² = 1802286605728802, which contains 22 as substring.

Together with 30019051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30019039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009524 + 15009525.

It is an arithmetic number, because the mean of its divisors is an integer number (15009525).

Almost surely, 2^30019049 is an apocalyptic number.

It is an amenable number.

30019049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30019049 is an equidigital number, since it uses as much as digits as its factorization.

30019049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 30019049 is about 5478.9642269319. The cubic root of 30019049 is about 310.7890029827.

The spelling of 30019049 in words is "thirty million, nineteen thousand, forty-nine".